diff --git a/polymer/eduke32/eduke32.vcxproj b/polymer/eduke32/eduke32.vcxproj
index 0df594e29..38c3aada3 100644
--- a/polymer/eduke32/eduke32.vcxproj
+++ b/polymer/eduke32/eduke32.vcxproj
@@ -90,7 +90,6 @@
     <ClInclude Include="build\include\kplib.h" />
     <ClInclude Include="build\include\lzwnew.h" />
     <ClInclude Include="build\include\malloc.c.h" />
-    <ClInclude Include="build\include\md4.h" />
     <ClInclude Include="build\include\mdsprite.h" />
     <ClInclude Include="build\include\mmulti.h" />
     <ClInclude Include="build\include\mutex.h" />
@@ -206,7 +205,6 @@
     <ClCompile Include="build\src\hightile.c" />
     <ClCompile Include="build\src\kplib.c" />
     <ClCompile Include="build\src\lzwnew.c" />
-    <ClCompile Include="build\src\md4.c" />
     <ClCompile Include="build\src\mdsprite.c" />
     <ClCompile Include="build\src\mutex.c" />
     <ClCompile Include="build\src\osd.c" />
diff --git a/polymer/eduke32/eduke32.vcxproj.filters b/polymer/eduke32/eduke32.vcxproj.filters
index b09277436..16601a3a9 100644
--- a/polymer/eduke32/eduke32.vcxproj.filters
+++ b/polymer/eduke32/eduke32.vcxproj.filters
@@ -105,9 +105,6 @@
     <ClInclude Include="build\include\malloc.c.h">
       <Filter>build\headers</Filter>
     </ClInclude>
-    <ClInclude Include="build\include\md4.h">
-      <Filter>build\headers</Filter>
-    </ClInclude>
     <ClInclude Include="build\include\mdsprite.h">
       <Filter>build\headers</Filter>
     </ClInclude>
@@ -452,9 +449,6 @@
     <ClCompile Include="build\src\lzwnew.c">
       <Filter>build\source</Filter>
     </ClCompile>
-    <ClCompile Include="build\src\md4.c">
-      <Filter>build\source</Filter>
-    </ClCompile>
     <ClCompile Include="build\src\mdsprite.c">
       <Filter>build\source</Filter>
     </ClCompile>